Data Access · interview question
Which option describes the most likely pitfall around row mapping?
Multiple choiceHardchapter-11-curatedpremiumdata-accessrow-mapping
Answer and explanation
Correct answer
D. Letting raw row tuples leak upward makes the service layer harder to read and easier to break.
Why
Letting raw row tuples leak upward makes the service layer harder to read and easier to break. Calling out that risk matters because candidates who talk about translation boundaries sound more deliberate and less accidental.
Test yourself on Data Access
A free test with instant, explained results. No account needed.
More Data Access questions
- What assumption should be made explicit when working with transactions?
- Which response shows the healthiest evidence-first mindset around repository boundaries?
- What production risk should you worry about most if transactions is handled lazily?
- A senior interviewer asks for one tradeoff behind transactions. What is the strongest follow-up?
- What do interviewers usually hear as a strong signal when you discuss transactions well?
- What assumption should be made explicit when working with basic sqlite queries?